40754320

素因数分解:

$2^4\times 5^1\times {\mathrm{509429}}^1$

素因数の和:509442

約数の個数: 20

約数和(自身を含む): 94753980

約数和(自身を除く): 53999660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509429, 1018858, 2037716, 2547145, 4075432, 5094290, 8150864, 10188580, 20377160, 40754320]

約数ペア:

[(1, 40754320), (2, 20377160), (4, 10188580), (5, 8150864), (8, 5094290), (10, 4075432), (16, 2547145), (20, 2037716), (40, 1018858), (80, 509429)]